* {
    margin: 0;
    padding: 0;
    /* css3盒子模型 */
    box-sizing: border-box;
}

em,
i {
    font-style: normal;
}

li {
    list-style: none;
}

img {
    border: 0;
    vertical-align: middle;
}

button {
    cursor: pointer;
}

a {
    color: #666;
    text-decoration: none;
}

a:hover {
    color: #c81623;
}

button,
input {
    font-family: Microsoft YaHei, Hri SC, tahomaa, arial, Hiragino sans, "\5B8B\4F53", sans-serif;
    /* 去掉灰色边框 */
    border: 0;
    /* 去掉点击的蓝色边框 */
    outline: none;
}

body {
    /* 抗锯齿属性 */
    -webkit-font-smoothing: antialiased;
    background-color: #fff;
    font: 12px/1.5 Microsoft YaHei, Hri SC, tahomaa, arial, Hiragino sans, "\5B8B\4F53", sans-serif;
    color: #666;
}

.dide,
.none {
    display: none;
}

.clearfix::after {
    visibility: hidden;
    clear: both;
    display: block;
    content: ".";
    height: 0;
}

.clearfix {
    *zoom: 1;
}